Everyone deals with occasional bad breath after a garlicky meal or first thing in the morning. But when bad breath sticks around no matter how often you brush, it’s worth digging into why.

The Usual Suspect: Bacteria

Most chronic bad breath, or halitosis, comes down to bacteria in the mouth breaking down food particles and producing sulfur compounds. According to the Mayo Clinic, poor oral hygiene, gum disease, and dry mouth are among the most common culprits behind persistent bad breath.

Gum Disease and Bad Breath

Gum disease creates an ideal environment for odor-causing bacteria, especially as it progresses and pockets form between the teeth and gums. If bad breath is paired with bleeding, swollen, or receding gums, that’s a sign worth having evaluated.

Dry Mouth’s Role

Saliva helps wash away food particles and bacteria, so when saliva production drops, whether from dehydration, certain medications, or breathing through your mouth at night, bad breath often follows. Staying hydrated and discussing dry mouth with your dentist can help.

When It’s Not About Your Mouth at All

In some cases, persistent bad breath can be linked to sinus infections, acid reflux, or other conditions outside the mouth. If a dental evaluation rules out an oral cause, it may be worth discussing with your physician.

What Actually Helps

Mouthwash and mints only mask odor temporarily. Addressing the root cause, whether that’s a professional cleaning, treating gum disease, or managing dry mouth, is what actually resolves persistent bad breath.

Getting to the Bottom of It

If bad breath has become a persistent issue despite good oral hygiene, our team at EZ Dental Clinic can help identify the cause. Visit our bad breath page to learn more, or call (425) 746-6090 to schedule an evaluation.